| 摘要 |
PROBLEM TO BE SOLVED: To provide an order picking truck allowing preventing rolling of at least outer masts and accordingly sharply reducing rolling of the whole mast devices. SOLUTION: This order picking truck comprises mast devices 5 formed by right and left pair of outer masts 6 and inner masts 7 that move vertically along the masts 6. The mast 6 is fixed by a mast support member 9 that is connected to a vehicle body frame. An upper end of the member 9 is arranged extending to the vicinity of an upper end part of the mast 6 and the vicinity of the upper end part of the mast 6 is supported at the vicinity of the upper end part of the member 9.
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